Sack turning and measuring machine



A. E. YATES SACK TURNING AND MEASURING MACHINE Aug. 14,- wzs. 3,4652% Filed May 4. 1921 6 Sheets-Sheet l Aug. 14, 1923. 3,4652% A. E. YATES SACK TURNING AND MEASURING MACHINE Filed May 4, 1921 6 Sheets-Sheet 2 Aug. 14, 1923. $1,465,296)

A. E. YATE$ SACK TURNING AND MEASURING MACHINE Filed May 4. 192}. 6 Sh'eets-Sheet 3 Aug. 14, 1923.

A. YATES SACK TURNING AND MEASURING MACHINE Filed May 4, 1921 6 Sheets-Sheet 4 Aug. 14, 1923. I

r A. E. YATES SACK TURNING AND MEASURING MACHINE 6 Sheets-Sheet 5 Filed May 4, 1921 Aug. 14, 1923 5 i W k \w n .um fll Patented Aug. 14, 19213, i

.-l'i c ABTHUREVDWARD YATES, or FLINTSTONE, GEORGIA.

' resident of Flintstone,

'5 the United States, have. invented certain sAoK TURNING AND MEASURING MACHINE.

A lication filed. May 4,1921. SeriaI No. 466,731.'

To an whom it may concern: w

Be it known that I, ARTH R E. YATE$,.L

lValker and State of Georgia, a citizen of new and useful Improvements in Sack Turning and Measuring Machines, of which the following is a specification. i Q

My invention relatesto animprovement in sack turning and nieasuringmachines.

The object of this invention isto, turn sacks orbags by air. The great majority of flour sacks andbags of that general de scrlption are made with the seams out, and

heretotore thesesacks orbags have generah ly been turned insideout by hand;

' The presentmachine comprises a cylindrical feed roller geared to 'a system of round discs mounted on a" shaft," each disc having a notch cut inthe periphery, this geared mechanism running continuously when the machine is in opera-tiom'although it can be stopped instantly by a hand -lever within easy reach of the operator. I A 'This invention further consists in means for cutting oii the air at intervals'and open ing a trap-door for the discharge ofthe bag or sack. A

It further consists in other automatic means for sucking the into the machine,

turning it as it is drawn in, stopping it, e ectmg 1t, and picking it up on fingers and depositing one bag at a time uponanother in a pile at a convenient machine. V y In the accompanying drawings;

1 is a View in sideielevation of the entire iachine; c

Fig.2-is a rear elevation;

i Fig, 3 is a longitudinal verticalisection,

point outside of the Fig. 4. is a plan view of thetoproll hous g" Fig. 5 is a longitudinal section through the lower roll, 7 A V Z V Fig. 6 is an end .view of the upper roll,

Fig.7 is anedge view of the same,

Fig. 8 is an enlarged fragmentary transverse section through the upper roll,

Figs. 9and 10 are views ofcams, Fig. 11 is an'edge view of the cam shown inFigflO, V

Fig.'il2.is a View ofthe cover," 'Figs. :13 and .14 are views of thetr taken at right angles. to eachother,v V i V Fig.15 is a view of one of thebearings,

p "door.

in thecoimty of Figs. 16 and 17 show the spout and a bag in position, before and afterturning.

A, represents the frame of the machine preferably made up oi"- two main side castings held rigidly in place by cross-braces 1,

bolted between the legs and connected across atthe top with anarch beam 2, and surmounted by atop roll housing 3, securely bolted in place on top of the arch 2, and to the front supports 4:.

Mounted transversely in the machine are two main rolls,namely, the lower roll 5, and the upper roll 6. The shafts bearing these rollers are journaled in pillow blocks 7, and hearings 8 respectively. And these shafts are provided with gears 9 and 10 for transmittlng rotary motion from one to the other.

In the construction illustrated, the drive shaft 11 has a pinion 12 thereon, which meshes with; gear 9, for driving the latter, and loose and fixed pulleys 13 and 14 are mounted on this shaft. But obviously other means within the control of the operator, such as a clutch drive, can be used if preferred, or a motor coupled to the driveshaft. The belt 15 runs over one of these pulle s and the beltshifter 16, secured on the rock-shaft 17, is controlled by the hand levers 18, from either end of the machine.

By means of these hand-levers 18, the op erator may start and stop the machine at any time. r V

-The upper roll 6 is made up of a plurality of wheels as shown in Figs. 5, 6 and 7 instead of a solid drum. This arrangement has been found advantageous since the solid drum would not work successfully as it interfered with the free passage of airthrough the machine, whereas a drum made in this fashion permits a' free passage of air through the machine. The individual. wheels 19 compose the upper drum and are keyed to their central shaft. and these are each providedwith a peripheral gap 20. These individual wheels 19 forming the upper drum, are faced with leather bands 21, in order to present a good friction surface to insure the bag going through the machine. I

The spout 22 is located at the forward end ofthe machine opposite the point Where the rolls 5" and 6 come together. An exhaust fan (notshown) is located at the outer end of this spout. On this spout the bag B to be turned is "placed. The air is sucked through i the spout 22, and discharged through the outlet 24:. The suction of air is eontinuously I applied to the; inacl'iine. its travel, however,

. is intermittently retarded by a butter-thy yal e 24, and'a trap-door 25. This butter- V rod 29, which slides through a guide 30,"-and the upper housing 3yand'this spring-operates'to hold .the roller in oontaetl-r-"with r the earn 28: Inthis Way the butterfly-valve 324-, and the shutter 25 are-"Ialternately' the cam 28 moves beneath-the roller 31; e his-soon as-the bags are turned, 'the loilmfly valve and trap-door are preferably con-- nected through abell-erank lever 26, niounted on the end of theLbutterfiy-valve shal t and a connecting-rod 27, and they are simultaneously controlled and aetuated to' open one and close the other by a cam 28, bolted on one end of thejlower roll 5, through a carries a roller 31 at its lower end'Whieh rests upon the cam asshown in Figs. land '2'. This rod 29 is jpivotally connected with a"'1"'ocker-heain'32,'fuleruined at 33, and-a eonneot'ing-rod 345 extends troin one end of this roeker beainto the hell-crank lever 26, anda' spring 35 xtends' from the opposlte end of the rooker heainto'a' lug seeuredon opened and closed at regular 'iuteifi zils s terfly valve closes, the trap-door opens, and the rollers feed the bags through the Inaehine, and eject "them through the outlet formed by the open shutter.

the-front'of the machine as shown in Fig.

3,} e xtendinprv through the space between the Wheels'19of the upper drum 6. These Wires hold the bags down andkeep them from Wadding up in the machine, or: getting drawn up through-the top rolls into thesuetion fan'. When the shutter 25 is opened,

' and the butterfly-valve 52 i is closed, the our rent of air stops and thebag is fed'through the imaohine by the rollers onto the incline ing fingers 40, of which there are several as-shown in Fig. 2 ina line across the rear of'the machine; These finn'ers are mounted u pon the rocker-shaft 4E1 mounted inhear ings 422, in the opposite sides of the machine This roclrensliaftetl has a. erunk-arni 43 secured on one end and a. connecting :rod 5% extends therefrom to h the lower jend. of'therocker beam 45', which latter is. fulerurnedon a stud 46 on the 'side-vof'the machine.

, Thisnrocker beam'foarries aroller 47 onits upper end which "traverses the periphery of flsha'ftthat earries the lower roll 5, as shown" aga n 4-8 hy wh'ich it is:' rocked. This eain '48 is keyed. on the outer end of the same 1 and 2, andconsequently rotates continuously, but'the, shape of the eainis snch'fthat the fingers reek baek and forth zit-timed,intervals and as they reeeiveasaek or thereon they are rocked oi er, until the bag is deposited inaj pile at the. right of the maehinei This maker beam is L 1 w Small Wiresv .37 extend more or less horizontally across the space from the top of thisv opening to Y There isjnogdan ier of InakingLhagsi-too long as thje'jiyidth oi thefelojth limits.- the 1 5, length the shortness is due :to the stitching held position hy thetension ofa spring r so, mounted-on asliderod oly l by hinge at'jthejtop of the upper. rollhousingiand the same is eonveniently seouredhy holts 5,4.

A; eover 52 is held A window '55 is bolted 'to thefront,

through which the internal mechanism? of the machine may be: seen at, any time. 1

Itfis understood, of course, the cover and the Window are bolted down air-tight; The only place that air can enter the machine is through the hagand it is by, reason ofthe,

suetion' tlirough the bagfthat .thelatter is:

turned inside out. i The air rerersesthe bag, e but-the operator holds same until the pei ripheryof the top" roller :plulls'samfe spout and outfoi'the fingers. The gan in? the top roller ldoes notstopftheihai g {But i trap-d'oorQi") opens tolet thez'bagiou at the same time'thebutterfly yalvei24E; cuts the trap-fdooirQShit slides gravity to the I position' indicated on5 thejyooden 40 to the ipositio n indicated 49 j on -t {'-the fingers L0, wh ch are 7 operated Joy the cam elear o f the machinei A bag is supposed LS, which 7 lingers ,throw Vthe entirely i to be" otdefinite size both asto'cliarneter and length, in order to have the rated'; Capacity, ter. whieh-j it .is' bought; 'H'owever, inaccuracies occur hy the V, in alter, and" sometin'ies 5m undersized bag is] :7

made. i This machine notifiesthefoperator== though the: air suction ivilliturn short bags, only hagslongmnoug'h :to reach from the nioilth-pi'eee baek in tothe"gapflOfunder' the 'ieriphery 'oifi-the top iroller Will'heted through 'the inaehine." 'The air pres'sur'e only turns bags the rollers feeduthenii through.

1110 Ilia-short haeffgets into the niaehine, the

rollers hill fail'topiek it''up on thefirst revolution, then the operator-releases the bag from overfthe front.Inouth ,pieee,-and

the suetion will then fdra v itfielearin nnder .theroll, "which 'w'ill 'teedit through) 7 a on the second revolution, but the operatorf' removes this shorthag from the standard or extra Ishrinkage. of' cloth; By making this. suetion pipe. telescopieforiof different" lengths an accurate measuring device is" ar ranged. :Asmost hag'sare filledthroHgh a 1 large enough'to go oven the"t1ibe', -end this 1s guaranteed, by: bagsithat imvebe turned re t n tu -6d is s ential; h t f baglbe unless they are of proper size to fit over the spout of the machine, hence both the length and circumference of the bag is measured.

I claim:

. 1. In a sack turning machine, a suction .spout upon which and through which the sack is drawn and turned, anda pair of rolls, one of which is composed ot a plurality of separated wheels, having a gap therein to receive and measure sacks.

2. In a sack turning machine, asuction spout upon which and through which the sack is drawn and turned and measured, and a pair of rolls to receive the sacks therebetween, one of said'rolls composed of a p1u rality of separated wheels having a gap therein to receive and measure the sacks, and means extending between the rolls to hold the bag down and prevent its wadding up in the machine, or getting into the suction fan. I i

3. In a sack turning machine, a suction spout upon which and through which the sack is drawn and turned, and a pair of rolls, one of which is composed of a plurality of separated wheels, having a gap therein to receive and measure'sacks, the machine having an air outlet and a bag outlet, and a valve and shutter respectively for automatically controlling and alternately opening said outlets.

4. In a sack turning machine, a pair of rolls, one of which is composed of a plurality of separated wheels having agap through the peripheries to receive and measure the sacks, a suction spout leading from outside the machine tothe space between the rolls upon which and through which the sacks are drawn.

5. In a sack turning machine, a pair of rolls, one of which is composed of a plurality of separated wheels having a gap through the peripheries to receive and measure the sacks, a suction spout leading from outside the machine to the space between the rolls upon which and through which the sacks are drawn, and wires stretched in the space between the rolls and between the wheels of the upper roll for holding the bags down and preventing their wadding up in the ma chine, or getting into the suction fan.

6. In a sack turning machine, a pair of rolls, one of which is composed of a plurality of separated wheels having a gap through the peripheries to receive and measure the sacks, a suction spout leading from outside the machine to the space between ure the sacks, a suction spout leading from 1 outside the machine to the space between the rolls upon which and through which the sacks are drawn, an air outlet and a bag outlet, a valve, a shutter, means connecting said valve and shutter whereby they are actuated simultaneously to close one and open the other, and means for opening and closingsaid valve and shutter with each complete revolution of the rolls.

8. In a sack turning machine, a pair of rolls, means for driving same, a suction spout upon which the sacks are placed and through which they are drawn between the rolls, an air outlet and a sack outlet, means for openin one of said outlets and simultaneously cIosing the other, fingers in position to receive the sacks as they drop through the sack outlet and means for throwing each sack thus received at a point entirely clear of the machine, said means includlng a spring actuated rocker beam, a connecting rod extending therefrom to the fingers and a cam for rocking the rocker beam.

9. In a sack turning machine, a pair of rolls, means for driving same, a suction spout upon which the sacks are placed and through which they are drawn between the rolls, an air outlet and a sack outlet, means for opening one of said outlets and simul taneously closing the other, fingers in position to receive the sacks as they drop through the sack outlet, means for throwing each sack thus received at a point entirely clear of the machine, a valve, a shutter, and means for actuating the valve and shutter including a bell crank lever, connecting rods, a spring actuated rocker beam, a slidably mounted rod connecting same and a cam carried by one of the rolls for sliding the rod, rocking the rocker beam and bell crank lever whereby to simultaneously actuate the valve and shutter.

ARTHUR EDWARD YATES. 

